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ZIP Code 98581, Washington

ZIP Code 98581 profile, demographic data, and geographic information.

ZCTA5 98581 is a 5-digit ZIP Code area located in Cowlitz County, Washington. As of official census estimates, it has a reported population of 419. The land area covers 29.16 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 419 ±131 2020-2024 / Census ACS 5-Year 2024
Median Age 72.1 yrs ±2.7 2020-2024 / Census ACS 5-Year 2024
Total Households 251 ±84 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 251 ±84
Occupied Housing Units 251 ±84
Vacant Housing Units 0 ±13
Median Home Value $232,500 ±$28,881
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $43,009 ±$4,924
Per Capita Income $32,853 ±$6,542
Poverty Rate 11.2% ±11.9%
Population Below Poverty Level 47 ±52
Unemployment Rate 0% ±12%
Civilian Labor Force, Employed 108 ±72
Broadband Internet Rate 92.4% ±12.8%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 113,982 (2024)
ID: 176794
County Official County Government
Contact: BOARD OF COWLITZ COUNTY COMMISSIONER
207 N 4TH AVE, RM 305, KELSO WA 98626-4191

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 03-12 Curtis, WA
Regular School Nearby KG-05 Kelso, WA
Regular School Nearby PK-08 Curtis, WA
Regular School Nearby KG-05 Kelso, WA
Regular School Nearby 06-08 Longview, WA
Regular School Nearby PK-05 CASTLE ROCK, WA
Regular School Nearby 09-12 CASTLE ROCK, WA
Regular School Nearby 06-08 CASTLE ROCK, WA
Alternative School Nearby KG-12 Castle Rock, WA
Regular School Nearby KG-05 Longview, WA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Lower Columbia College
College 16.3 mi away 1600 Maple Street, Longview, WA, 98632
3604422311
CASTLE ROCK PUBLIC LIBRARY
Library 9.5 mi away 137 COWLITZ ST W., CASTLE ROCK, WA, 98611
(360) 274-6961
Stylemaster College of Hair Design
College Vocational 16.7 mi away 1224 Commerce Ave., Longview, WA, 98632-3027
3606362720
WINLOCK TIMBERLAND LIBRARY
Library 11.2 mi away 322 1ST ST., WINLOCK, WA, 98596
(360) 785-3461
BOOKMOBILE
Library 16.3 mi away 1600 LOUISIANA STREET, LONGVIEW, WA, 98632 —
LONGVIEW PUBLIC LIBRARY
Library 16.3 mi away 1600 LOUISIANA STREET, LONGVIEW, WA, 98632
(360) 442-5300
KELSO PUBLIC LIBRARY
Library 17.1 mi away 351 THREE RIVERS DRIVE, SUITE 1263, KELSO, WA, 98626
(360) 423-8110
CATHLAMET PUBLIC LIBRARY
Library 18.6 mi away 115 COLUMBIA ST, CATHLAMET, WA, 98612
(360) 795-3254
CLATSKANIE LIBRARY DISTRICT
Library 18.6 mi away 11 LILLICH ST, CLATSKANIE, OR, 97016
(503) 728-3732
RAINIER CITY LIBRARY
Library 19.7 mi away 106 B ST, RAINIER, OR, 97048
(503) 556-7301
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at LONGVIEW, WA US, located 16.1 miles from ZCTA5 98581. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 47.7° 35.1° 41.4° 6.53" —
February 52.0° 34.7° 43.4° 4.81" —
March 56.9° 37.5° 47.2° 4.91" —
April 62.1° 40.4° 51.2° 4.08" —
May 68.8° 45.3° 57.1° 3.11" —
June 72.9° 49.5° 61.2° 2.03" —
July 79.3° 53.4° 66.4° 0.63" —
August 80.4° 53.3° 66.9° 0.97" —
September 75.7° 49.6° 62.6° 2.29" —
October 64.0° 44.1° 54.0° 4.38" —
November 53.0° 38.6° 45.8° 7.24" —
December 46.6° 34.8° 40.7° 7.14" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Ryderwood CDP CDP 1.6 mi —
Vader city City 6.2 mi —
Castle Rock city City 9.9 mi —
Winlock city City 11.6 mi —
Toledo city City 11.9 mi —
Longview Heights CDP CDP 13.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 98581. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.